Base | Representation |
---|---|
bin | 1001001001100100111111… |
… | …11100101111000000110101 |
3 | 2122020111001000112122120202 |
4 | 10210302133330233000311 |
5 | 10114122343420004023 |
6 | 110443050513410245 |
7 | 4144434021555641 |
oct | 444623774570065 |
9 | 78214030478522 |
10 | 20120310313013 |
11 | 6457a806aa999 |
12 | 230b54b269985 |
13 | b2c44c86a071 |
14 | 4d7b8489dc21 |
15 | 24d5971d6128 |
hex | 124c9ff2f035 |
20120310313013 has 8 divisors (see below), whose sum is σ = 20814209902080. Its totient is φ = 19426417109680.
The previous prime is 20120310312997. The next prime is 20120310313031. The reversal of 20120310313013 is 31031301302102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20120310313013 - 24 = 20120310312997 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20120310312013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5322128 + ... + 8280438.
It is an arithmetic number, because the mean of its divisors is an integer number (2601776237760).
Almost surely, 220120310313013 is an apocalyptic number.
It is an amenable number.
20120310313013 is a deficient number, since it is larger than the sum of its proper divisors (693899589067).
20120310313013 is a wasteful number, since it uses less digits than its factorization.
20120310313013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3192867.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 20120310313013 its reverse (31031301302102), we get a palindrome (51151611615115).
The spelling of 20120310313013 in words is "twenty trillion, one hundred twenty billion, three hundred ten million, three hundred thirteen thousand, thirteen".
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